A small-time drug dealer is found battered to death on the outskirts of the Norwegian capital, Oslo. A young Dutchman, walking aimlessly in central Oslo covered in blood, is taken into custody but refuses to talk. When he is informed that the woman who discovered the body, Karen Borg, is a lawyer, he demands her as his defender, although her specialty is civil, not criminal, law. The young man is adamant: he will speak to Karen Borg, and to her alone.

Pools of blood, scenes of carnage, signs of agonising death - who deals with the aftermath of violence once the bodies have been taken away? Judith Kepler has seen it all. She is a crime-scene specialist. She turns crime scenes back into habitable spaces. She is a cleaner. It is at the home of a woman who has been brutally murdered that she is suddenly confronted with her own past. The murder victim knew Judith's secret: as a child Judith was sent to an orphanage under mysterious circumstances - parentage unknown.

It is midnight on the morning of Halloween, and Jen anxiously waits up for her 18-year-old son, Todd, to return home. But worries about his broken curfew transform into something much more dangerous when Todd finally emerges from the darkness. As Jen watches through the window, she sees her funny, seemingly happy teenage son stab a total stranger.

Harriet Vanger, a scion of one of Sweden's wealthiest families disappeared over forty years ago. All these years later, her aged uncle continues to seek the truth. He hires Mikael Blomkvist, a crusading journalist recently trapped by a libel conviction, to investigate. He is aided by the pierced and tattooed punk prodigy Lisbeth Salander. Together they tap into a vein of unfathomable iniquity and astonishing corruption.

The year is 1984 and the city is Tokyo.

A young woman named Aomame follows a taxi driver's enigmatic suggestion and begins to notice puzzling discrepancies in the world around her. She has entered, she realizes, a parallel existence, which she calls 1Q84 - "Q" is for "question mark". A world that bears a question....

Two words: the bullet. That's all it takes to shatter her life. Caroline Cashion is beautiful, intelligent, a professor of French literature. But in a split second, everything she's known is proved to be a lie. A single bullet, gracefully tapered at one end, is found lodged at the base of her skull. Caroline is stunned. It makes no sense: She has never been shot. She has no entry wound, no scar. Then, over the course of one awful evening, she learns the truth.

A six-year-old girl is found in the Norwegian countryside, hanging lifeless from a tree and dressed in strange doll's clothes. Around her neck is a sign that says, "I'm traveling alone." A special homicide unit in Oslo reopens with veteran police investigator Holger Munch at the helm. Holger's first step is to persuade the brilliant but haunted investigator Mia Krüger, who has been living on an isolated island, overcome by memories of her past.

It all begins with a call to the police. A 16-year-old boy, Roger Eriksson, has gone missing in the town of Västerås. A search is organized and a group of young scouts makes an awful discovery in a marsh: Roger is dead. Meanwhile, Sebastian Bergman, psychologist, criminal profiler, and one of Sweden's top experts on serial killers, is in Västerås to settle his mother's estate following her death. Sebastian has withdrawn from police work after the death of his wife and daughter in the 2004 tsunami.

In a Stockholm city park, police discover the hideously abused body of a young boy. Detective Superintendent Jeanette Kihlberg heads the investigation, battling an apathetic prosecutor and a bureaucratic police force unwilling to devote resources to solving the murder of a nameless immigrant child. But with the discovery of two more mutilated children's corpses, it becomes clear that a serial killer is at large.

Three-year-old Hanna wakes up to find she has been abandoned. Her family is gone. The house is locked. She is trapped. Meanwhile, a teenage girl has been found murdered aboard the Cinderella, a cruise ship which sails between Sweden and Finland. Detective Chief Inspector Conny Sjoberg visits the girl's home to deliver the tragic news. But as he investigates, it becomes chillingly clear that the girl's younger sister will meet a similar fate - unless the police can crack the case and trap this elusive and vicious killer.

On the eve of their thirtieth birthday, twins Jasmine and Nicolas Moretti celebrate late into the night. But when Nicolas wakes several hazy hours later, Jasmine is dead—and he is covered in her blood. Panicking, he takes the murder weapon and runs into the cold Stockholm night. For the police, it’s an open-and-shut case. Nicolas is guilty. And given that he remembers so little of what happened that night, even he isn’t convinced of his innocence.

Best friends Noah Sadler and Abdi Mahad have always been inseparable. But when Noah is found floating unconscious in Bristol's Feeder Canal, Abdi can't - or won't - tell anyone what happened. Just back from a mandatory leave following his last case, Detective Jim Clemo is now assigned to look into this unfortunate accident. But tragedy strikes, and what looked like the simple case of a prank gone wrong soon ignites into a public battle. Noah is British. Abdi is a Somali refugee. And social tensions have been rising rapidly in Bristol.

When a woman is beheaded in a park outside Rome and her six-year-old son goes missing, the police unit assigned to the case sees an easy solution: They arrest the woman's husband and await his confession. But the chief of Rome's major crimes unit doubts things are so simple. Secretly, he lures to the case two of Italy's top analytical minds: Deputy Captain Colomba Caselli, a fierce, warrior-like detective still reeling from having survived a bloody catastrophe, and Dante Torre, a man who spent his childhood trapped inside a concrete silo.

When his longtime nemesis, the amphetamine-juiced killer known as "Upper" North, is spotted in England, Detective Chief Inspector Brock is on the trail. His manhunt centers on Silvermeadow, a huge and glittery new shopping mall on the outskirts of London, where North was seen. Lying in wait, he and Kathy Kolla take on a seemingly unrelated case as camouflage, that of a missing girl who had worked in the mall. But what to make of the rumor of other girls gone missing?

Freshly trained detective Johannes "Hannes" Niehaus is brand new to the Criminal Investigation Department. And his partner, unconventional veteran detective Fritz Janssen, isn't the least bit thrilled to train a rookie. When a woman's body washes up on the nearby shores of the Baltic Sea, Hannes gets his first taste of real crime - and a chance to prove himself. Quickly the investigation pulls him and Fritz into a whirlpool of dangerous, decades-old cover-ups.